450253052513 has 4 divisors (see below), whose sum is σ = 491185148208. Its totient is φ = 409320956820.

The previous prime is 450253052467. The next prime is 450253052531. The reversal of 450253052513 is 315250352054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 450253052513 - 2⁶ = 450253052449 is a prime.

It is a super-2 number, since 2×450253052513² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450253052113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20466047831 + ... + 20466047852.

It is an arithmetic number, because the mean of its divisors is an integer number (122796287052).

Almost surely, 2^450253052513 is an apocalyptic number.

It is an amenable number.

450253052513 is a deficient number, since it is larger than the sum of its proper divisors (40932095695).

450253052513 is a wasteful number, since it uses less digits than its factorization.

450253052513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40932095694.

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 450253052513 in words is "four hundred fifty billion, two hundred fifty-three million, fifty-two thousand, five hundred thirteen".